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iX77 Rheometer | Viscosity Testing | FANN

RheometeriX77 DataSheet.pdf

Technical Specifications

Parameter Details
Instrument Type Coaxial Cylinder (R1 Rotor, B1 Bob, F1 Spring)
Rotor Speed 1–600 RPM (±0.5 RPM regulation)
Shear Rate Constant 1.7023 sec⁻¹ per RPM
Shear Stress Accuracy ± 0.5% Full Scale
Viscosity Range 0–300 cP @ 300 RPM
Temperature Range -5°C to 316°C (600°F)
Pressure Range 0–30,000 psi (206,843 kPa)
Sample Volume 175 cm³ (7.76 in³)
Test Cell Material Inconel® 718, 17-4 PH Stainless Steel
Data Modes Manual / Automatic with pre-programmed test profiles
Control Software Windows XP Pro with LabVIEW™ GUI
Power Requirements 230 V, 50/60 Hz, 1 KVA
Weight Instrument: 159 kg (350 lbs) • Cell: 16.4 kg (36 lbs)
Dimensions (L×W×H) 61 × 110.5 × 105.4 cm (24″ × 43.5″ × 41.5″)

iX77 Rheometer – High Pressure, High Temperature Drilling Fluid Analyzer

The iX77 Rheometer is a high-performance, coaxial cylinder-type rheometer specifically engineered for measuring the rheological properties of drilling fluids under extreme temperature and pressure conditions. Capable of operating up to 600°F (316°C) and 30,000 psi (206,840 kPa), it delivers precision and safety for applications in oil & gas, geothermal energy, and high-stress industrial environments. Developed using technology from Sandia National Laboratories and powered by a LabVIEW™-based automation system, it is equally suited for on-site well testing and laboratory use.

Key Features of iX77 Rheometer

Extreme Condition Ready: Operates up to 600°F and 30,000 psi with built-in cooling and safety interlocks.

Magnetically Driven Rotor: Minimizes mechanical interference and improves torque sensitivity using rare earth magnets.

Dual Operation Modes: Offers both manual and fully automatic test profiles, allowing for flexible workflow and test customization.

Precision Motion Detection: ±1° calibration accuracy via magnetic sensor system enables shear stress measurement with ±0.5% accuracy.

Simulation Mode: Built-in training mode for operator familiarization and support.

Robust Software Integration: LabVIEW™-based system automates control, acquisition, and data analysis, including chiller control and error monitoring.

Comprehensive Safety Design: High-pressure interlocks, rupture disc, and manual overrides ensure safe operation under load.

Cooling & Heating System: Automatic temperature regulation with optional chiller support for sub-ambient testing.

Applications of iX77 Rheometer

Drilling Fluids Testing: For oil well and geothermal drilling operations per API 13B-1 and 13B-2 standards.

HPHT Viscosity Analysis: Accurate shear and flow characterization under extreme reservoir conditions.

R&D and QA Labs: Suitable for materials research and high-pressure simulations.

Industrial Rheology: For any application involving fluids exposed to high thermal or pressure environments.

Included Accessories

  • iX77 Rheometer system with internal computer and sensors
  • High-pressure test cell (Inconel® 718)
  • LabVIEW™-based control and acquisition software
  • Integrated temperature and pressure control components
  • Manual safety valve and rupture disc
  • Operator manual and calibration file
  • Optional external chiller (sold separately)

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